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Table 3 Characteristics of patients with and without Holter monitoring

From: Myocardial extracellular volume by T1 mapping: a new marker of arrhythmia in mitral valve prolapse

  Holter (n = 15) No Holter (n = 15) p
Age (y) 47 ± 14 53 ± 19 0.34
Male, n (%) 8 (53%) 10 (67%) 0.71
Weight (kg) 74 ± 11 70 ± 13 0.41
Height (cm) 176 ± 7 178 ± 13 0.45
LVEDV (ml) 191 ± 45 193 ± 67 0.93
LVEDVI (ml/m2) 102 ± 25 103 ± 34 0.92
LVESV (ml) 85 ± 23 83 ± 39 0.92
LVEF (%) 55 ± 8 58 ± 9 0.33
LV mass index (g/m2) 65 ± 10 66 ± 20 0.83
MAD length (mm) 9.6 [7.6–14.6] 9.1 [6.3–11.4] 0.30
Presence of LGE, n (%) 8 (53%) 6 (40%) 0.72
 N of positive segments 3 [2.5–4] 3.5 [3–4] 0.59
Basal slice pre-Gd T1 (ms)a 1109 ± 49 1073 ± 66 0.11
Basal slice ECVsyn (%)a 33 ± 5 30 ± 3 0.03
  1. Statistically significant correlation is given in bold
  2. ECVsyn synthetic extracellular volume, LV left ventricle, LVEDV left ventricle end-diastolic volume, LVEDVI left ventricle end-diastolic volume index, LVEF left ventricle ejection fraction; LGE late gadolinium enhancement, Gd gadolinium, MAD mitral annular disjunction
  3. aMean value of inferior and inferolateral segments